After i upgrate my mac pro OS X 10.9.2 (13C64) some application not responding
I Don't know after i upgrate my mac aplecation such quick time player app store and update are not working
MacBook Pro, Mac OS 9.2.x
Hello Ketut,
Bootup holding CMD+r, or the Option/alt key to boot from the Restore partition & use Disk Utility from there to Repair the Disk, then Repair Permissions.
If no change on restart...
Open Console in Utilities & see if there are any clues or repeating messages when this happens.